mopar Stroker Motor Part 2 - dyno Chart - Photo 06

Our 140,000-mile 4.0L engine put down 138hp/177 lb-ft at the wheels while our 4.7L stroker put down 161hp/230 lb-ft at the wheels. While we didn’t pick up as many horses as we thought we would, we are right where we expected the torque to be. If you don’t think that 50 lb-ft is a lot, it totally changed this Jeep. It pulls like a train from 50 mph in Fifth gear until we let off the go-pedal, no matter how steep the grade.